import java.util.Scanner;
public class GuessNumber{
    public static void main(String [] args) {
        Scanner sc = new Scanner(System.in);
        String again;
        do{
            int answer = (int) (Math.random() * 100 + 1);
            int chances = 7;
            //1.生成答案数字

            while (chances > 0) {
                System.out.println("猜一个1-100之间的整数（含100）," + "你还有" + chances + "次机会,输入-1可结束本轮游戏");
                int guess;
                try{
                    guess = sc.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字");
                    sc.next();
                    continue;
                }
                //2.接受玩家猜测的数字
                System.out.println(guess);
                //3.比较答案数字与猜测数字大小的关系
                if (guess == -1){
                    break;
                }else if (guess > answer) {
                    System.out.println("大了");
                } else if (guess < answer) {
                    System.out.println("小了");
                } else {
                    System.out.println("恭喜你，答对了");
                    break;
                }
                chances = chances - 1;
                //4.每猜一次就比较一次
            }
            if (chances <= 0) {
                System.out.println("你没有机会了");
            }

            System.out.println("再玩一次吗？(y/n)");
            again = sc.next();
        }while(again.equalsIgnoreCase("y"));//不区分大小写
    }
}

